CN113005357A - High-strength alloy cast steel material - Google Patents

High-strength alloy cast steel material Download PDF

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Publication number
CN113005357A
CN113005357A CN201911312273.9A CN201911312273A CN113005357A CN 113005357 A CN113005357 A CN 113005357A CN 201911312273 A CN201911312273 A CN 201911312273A CN 113005357 A CN113005357 A CN 113005357A
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CN
China
Prior art keywords
cast steel
steel material
alloy cast
strength
strength alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911312273.9A
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Chinese (zh)
Inventor
不公告发明人
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201911312273.9A priority Critical patent/CN113005357A/en
Publication of CN113005357A publication Critical patent/CN113005357A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The invention discloses a high-strength alloy cast steel material, which comprises the following chemical components in percentage by weight: c: 0.1 to 0.4; 0.1 to 0.4 of Si; 0.8 to 1.5 parts of Mn; 0.8 to 1.2 parts of Cr; mo: 0.2 to 0.6; b: 0.2 to 0.4; p: 0.01 to 0.05; ni: 0.001 to 0.003; the balance being iron. The cast steel material has the tensile strength of more than or equal to 900MPa, has higher strength, is suitable for alpine regions, and has reasonable formula and good performance.

Description

High-strength alloy cast steel material
Technical Field
The invention belongs to the technical field of alloys, and particularly relates to a high-strength alloy cast steel material.
Background
The cast steel material has a wide application range, and extreme working environments such as extremely low temperature, high pressure, high temperature, heavy pressure and the like are not lacked, and the working environments bring new challenges to the performance of the cast steel material.
Oil extraction and oil refining are mostly in alpine regions, most oil extraction and oil refining equipment is made of cast steel, and cast steel materials are required to have high strength, because in the alpine regions, the equipment is easy to be abnormal or have operation faults due to extremely low temperature, and under the extreme condition, the common equipment materials have low-temperature strength and are easy to break or collapse, so that danger is caused.
Disclosure of Invention
The present invention aims to solve the above-mentioned problems of the prior art and to provide a high-strength alloy cast steel material. The cast steel material has the tensile strength of more than or equal to 900MPa, has higher strength, is suitable for alpine regions, and has reasonable formula and good performance.
In order to solve the technical problems, the invention adopts the technical scheme that: a high-strength alloy cast steel material is characterized by comprising the following chemical components in percentage by weight:
C：0.1～0.4；
Si:0.1～0.4；
Mn:0.8～1.5；
Cr:0.8～1.2；
Mo：0.2～0.6；
B：0.2～0.4；
P：0.01～0.05；
Ni：0.001～0.003；
the balance being iron.
The high-strength alloy cast steel material is characterized by comprising the following chemical components in percentage by weight:
C：0.2～0.3；
Si:0.2～0.3；
Mn:0.9～1.2；
Cr:0.9～1.1；
Mo：0.3～0.5；
B：0.25～0.35；
P：0.02～0.04；
Ni：0.0015～0.0025；
the balance being iron.
The high-strength alloy cast steel material is characterized by comprising the following chemical components in percentage by weight:
C：0.2；
Si:0.28；
Mn:1.0；
Cr:1.0；
Mo：0.4；
B：0.3；
P：0.03；
Ni：0.0020；
the balance being iron.
The high-strength alloy cast steel material is characterized in that the tensile strength of the alloy cast steel material is not less than 900 MPa.
Compared with the prior art, the invention has the following advantages:
1. the cast steel material has the tensile strength of more than or equal to 900MPa, has higher strength, is suitable for alpine regions, and has reasonable formula and good performance.
The technical solution of the present invention is further described in detail with reference to the following examples.
Detailed Description
Example 1
The high-strength alloy cast steel material of the embodiment comprises the following chemical components in percentage by weight:
C：0.25；
Si:0.28；
Mn:1.0；
Cr:1.0；
Mo：0.4；
B：0.3；
P：0.03；
Ni：0.0020；
the balance being iron.
The tensile strength of the alloy cast steel material of the embodiment is more than or equal to 900 MPa.
Example 2
The high-strength alloy cast steel material of the embodiment comprises the following chemical components in percentage by weight:
C：0.2；
Si:0.2；
Mn:0.9；
Cr:0.9；
Mo：0.3；
B：0.25；
P：0.02；
Ni：0.0015；
the balance being iron.
The tensile strength of the alloy cast steel material of the embodiment is more than or equal to 900 MPa.
Example 3
The high-strength alloy cast steel material of the embodiment comprises the following chemical components in percentage by weight:
C：0.3；
Si:0.3；
Mn:1.2；
Cr:1.1；
Mo：0.5；
B：0.35；
P：0.04；
Ni：0.0025；
the balance being iron.
The tensile strength of the alloy cast steel material of the embodiment is more than or equal to 900 MPa.
Example 4
The high-strength alloy cast steel material of the embodiment comprises the following chemical components in percentage by weight:
C：0.1；
Si:0.1；
Mn:0.8；
Cr:0.8；
Mo：0.2；
B：0.2；
P：0.01；
Ni：0.001；
the balance being iron.
The tensile strength of the alloy cast steel material of the embodiment is more than or equal to 900 MPa.
Example 5
The high-strength alloy cast steel material of the embodiment comprises the following chemical components in percentage by weight:
C：0.4；
Si:0.4；
Mn:1.5；
Cr:1.2；
Mo：0.6；
B：0.4；
P：0.05；
Ni：0.0030；
the balance being iron.
The tensile strength of the alloy cast steel material of the embodiment is more than or equal to 900 MPa.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims (4)

1. A high-strength alloy cast steel material is characterized by comprising the following chemical components in percentage by weight:
C：0.1～0.4；
Si:0.1～0.4；
Mn:0.8～1.5；
Cr:0.8～1.2；
Mo：0.2～0.6；
B：0.2～0.4；
P：0.01～0.05；
Ni：0.001～0.003；
the balance being iron.
2. The high-strength alloy cast steel material according to claim 1, wherein the alloy cast steel material comprises the following chemical components in percentage by weight:
C：0.2～0.3；
Si:0.2～0.3；
Mn:0.9～1.2；
Cr:0.9～1.1；
Mo：0.3～0.5；
B：0.25～0.35；
P：0.02～0.04；
Ni：0.0015～0.0025；
the balance being iron.
3. The high-strength alloy cast steel material according to claim 1, wherein the alloy cast steel material comprises the following chemical components in percentage by weight:
C：0.2；
Si:0.28；
Mn:1.0；
Cr:1.0；
Mo：0.4；
B：0.3；
P：0.03；
Ni：0.0020；
the balance being iron.
4. The high-strength alloy cast steel material according to claim 1, wherein the alloy cast steel material has a tensile strength of 900MPa or more.
CN201911312273.9A 2019-12-18 2019-12-18 High-strength alloy cast steel material Pending CN113005357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911312273.9A CN113005357A (en) 2019-12-18 2019-12-18 High-strength alloy cast steel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911312273.9A CN113005357A (en) 2019-12-18 2019-12-18 High-strength alloy cast steel material

Publications (1)

Publication Number Publication Date
CN113005357A true CN113005357A (en) 2021-06-22

Family

ID=76382429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911312273.9A Pending CN113005357A (en) 2019-12-18 2019-12-18 High-strength alloy cast steel material

Country Status (1)

Country Link
CN (1) CN113005357A (en)

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210622

WD01 Invention patent application deemed withdrawn after publication